I am assuming your "not the 5 wire o2 version" meens you have a real po7 (6wire).If you're just looking for an ecu to trouble shoot, any 4 wire 92-95 civic ecu should run the car, just with a o2 code, a p05 or po5 will work best and run the same as a p07, eccept you will have a o2 code. A stock p28 will run the car as a test in stock condition, however you will have vtec codes plus the o2 code. If you're looking to chip an ecu, and use it long term, then use just about any 92-95 civic/integra ecu, use a similar map, like a p05/p06, and disable the o2 test and heater. You maybe able to mod the hardware and software to get any of these ecus to run the 6wire o2, or just change the care to a 4wire.
by the way, what are the symptoms you are trying to fix?
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